“Enhances Infirmary Capacity”
| Level | Requirements | Bread | Wood | Stone | Iron | Gold | Upgrade Time | Power | Bonus |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Academy Lv. 10, Tooling Up III Lv. 1 | 21,000 | 21,000 | 4,300 | 1,000 | 240 | 00:10:00 | 4,400 | +2,200 Infirmary Capacity |
| 2 | Academy Lv. 11, Ward Expansion III Lv. 1 | 30,000 | 30,000 | 6,000 | 1,500 | 330 | 00:15:00 | 4,400 | +2,200 Infirmary Capacity |
| 3 | Academy Lv. 12, Ward Expansion III Lv. 2 | 64,000 | 64,000 | 12,000 | 3,200 | 720 | 00:40:00 | 5,800 | +2,900 Infirmary Capacity |